204297238 has 4 divisors (see below), whose sum is σ = 306445860. Its totient is φ = 102148618.

The previous prime is 204297227. The next prime is 204297241. The reversal of 204297238 is 832792402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×204297238² = 83474722908857288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204297197 and 204297206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51074308 + ... + 51074311.

It is an arithmetic number, because the mean of its divisors is an integer number (76611465).

Almost surely, 2^204297238 is an apocalyptic number.

204297238 is a deficient number, since it is larger than the sum of its proper divisors (102148622).

204297238 is a wasteful number, since it uses less digits than its factorization.

204297238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102148621.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 204297238 is about 14293.2584808363. The cubic root of 204297238 is about 588.9623031267.

The spelling of 204297238 in words is "two hundred four million, two hundred ninety-seven thousand, two hundred thirty-eight".